Final answer:
False. From the earliest recorded human history until the 21st Century, publicly recognized marriage around the world has not always been only between opposite-sex couples.
Step-by-step explanation:
False. From the earliest recorded human history until the 21st Century, publicly recognized marriage around the world has not always been only between opposite-sex couples. Anthropologists categorize marriage customs into two primary types: monogamy, which can include two adults of any gender, and polygamy, which involves more than two spouses. Monogamy, including same-sex marriage, has been recognized and legalized in many Western countries, including the United States.